Colorado Tax Calculator 2026
Estimate your federal and Colorado state taxes for the 2026 tax year.
Pre-configured for Colorado residents, 2026 tax year. Filing your 2025 return? Colorado Tax Calculator 2025
Your numbers
Pre-tax contributions
$2,200 federal Child Tax Credit each, applied to your 2026 liability.
Estimate your refund (optional)
Enter what was withheld this year — W-2 box 2 (federal) and box 17 (state) — to compare against your estimated liability.
$58,671 per year, shown per month
of gross income, all taxes
federal + CO on your next dollar
Estimate only, for a single W-2 earner taking the standard deduction. A few cities levy small flat-dollar occupational privilege taxes (e.g. Denver’s $5.75/month), but there is no local income tax on earnings. Itemized deductions and most credits beyond the Child Tax Credit aren't modeled.
Only the top slice pays 22%
Federal tax is progressive: each bracket taxes only the income inside it. Here is how your $58,900 of taxable income fills the 2026 brackets.
Understanding Colorado Income Taxes
Residents of Colorado pay state income tax on top of federal taxes. Colorado taxes federal taxable income directly, so your federal standard deduction flows through to the state calculation. The amount you owe depends on your taxable income, filing status, and the deductions and credits Colorado allows.
Key Takeaways for 2026
- Federal tax brackets and standard deductions have been adjusted for inflation under IRS Rev. Proc. 2025-32.
- Colorado's own rates and enacted 2026 changes are applied to your state estimate automatically.
- A few cities levy small flat-dollar occupational privilege taxes (e.g. Denver’s $5.75/month), but there is no local income tax on earnings.
- Don't forget FICA taxes (Social Security and Medicare) — they're withheld from your paycheck automatically and included in the take-home figure above.
Go Deeper on Your 2026 Taxes
Federal tax tools
- Federal Income Tax Calculator — brackets, deductions, and your effective rate
- Tax Bracket Calculator — see which bracket your income lands in
- Paycheck Tax Calculator — per-paycheck withholding and take-home
- Marriage Tax Calculator — filing jointly vs. separately
- W-4 Withholding Calculator — is your paycheck withholding on target?
- Estimated Tax Calculator — quarterly 1040-ES vouchers for 1099 income
- 2026 State Tax Changes — every enacted cut, verified
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Frequently Asked Questions
What is the Colorado state income tax rate for 2026?
Colorado has a flat 4.4% state income tax for the 2026 tax year — every taxpayer pays the same rate regardless of income. Colorado taxes federal taxable income directly, so your federal standard deduction flows through to the state calculation.
How is Colorado state income tax calculated?
Colorado applies its flat 4.4% rate to your federal taxable income (income after the federal standard deduction). This calculator applies the latest published Colorado figures automatically.
How much tax will I pay on a $75,000 salary in Colorado?
Roughly $2,592 in Colorado state income tax for a single filer taking the standard deduction in 2026. Add about $7,670 of federal income tax and $5,738 of FICA (7.65%), plus about $330 in CO FAMLI, for total taxes near $16,329 and take-home around $58,671. Credits and other income can change this.
What percentage of your paycheck goes to taxes in Colorado?
About 21.8% for a single filer earning $75,000 in 2026: federal income tax (~10.2%), FICA (7.65%), and Colorado state tax (~3.5%) plus state payroll deductions. Your exact percentage depends on income, filing status, and pre-tax contributions like a 401(k).
Does Colorado tax Social Security benefits?
Partially. Coloradans 65+ can subtract all federally taxable Social Security; ages 55–64 can too if AGI is at or below $75,000 single / $95,000 married filing jointly (from tax year 2025). Younger recipients follow federal treatment.
Does Colorado tax retirement income like 401(k) or pension withdrawals?
Colorado allows a pension/annuity subtraction of up to $20,000 (ages 55–64) or $24,000 (65+) per person, which includes federally taxed Social Security; 65+ retirees can subtract all of their taxable Social Security.
Are there local income taxes in Colorado?
A few cities levy small flat-dollar occupational privilege taxes (e.g. Denver’s $5.75/month), but there is no local income tax on earnings. This calculator estimates state-level tax only.